GeezerVison

$ ./tools/test.py -J --repeat=1000 test/parallel/test-cluster-concurrent-disconnect.js 
=== release test-cluster-concurrent-disconnect ===                   
Path: parallel/test-cluster-concurrent-disconnect
node:assert:123
  throw new AssertionError(obj);
  ^

AssertionError [ERR_ASSERTION]: Expected values to be strictly equal:
+ actual - expected

+ 'ENOTCONN'
- 'EPIPE'
    at Worker.<anonymous> (/Users/luigi/code/node/test/parallel/test-cluster-concurrent-disconnect.js:29:14)
    at Worker.emit (node:events:390:28)
    at ChildProcess.<anonymous> (node:internal/cluster/worker:30:12)
    at ChildProcess.emit (node:events:390:28)
    at node:internal/child_process:848:39
    at processTicksAndRejections (node:internal/process/task_queues:78:11) {
  generatedMessage: true,
  code: 'ERR_ASSERTION',
  actual: 'ENOTCONN',
  expected: 'EPIPE',
  operator: 'strictEqual'
}

...

[02:12|% 100|+ 992|-   8]: Done

$ ./tools/test.py -J --repeat=1000 test/parallel/test-cluster-concurrent-disconnect.js 
[02:14|% 100|+ 1000|-   0]: Done